Dynamic analysis and optimization for deployment of cable-controlled multi-module solid surface antenna

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Journal of Vibration and Shock ›› 2023, Vol. 42 ›› Issue (19) : 301-308.

PIAO Lihua1, QIN Yuantian1, ZHANG Zihao1, CHEN Jinbao1, LI Bo2

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Abstract

Firstly, aiming at a torsion-spring driven double-cable controlled solid-surface antenna, the dynamic model based on the Euler-Lagrange equation was established. The influence of cable tension on deploying motion parameters was studied. Secondly, the complete deployment process of the cable-controlled reflective surface system was dynamically simulated. The simulation results was consistent with the numerical calculation results, which verified the correctness of the theoretical model. Lastly, in order to fully expand the reflective surface of the antenna system, the SQP algorithm was used to optimize the driving torsion spring in the cable-free and cable control systems. Optimization made the deployment more reasonable and reduced the unfolding envelope space. It was shown that the introduction of the cable system could improve the stability of the deployment process and effectively reduce the load peak at each hinge joint. The research results could provide theoretical guidance for the deploying process design of cable-controlled solid-surface antennas and have practical engineering significance.

Key words

solid surface antenna / multi-body dynamics / deployable antenna / cable pulley mechanism / optimization design

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PIAO Lihua1, QIN Yuantian1, ZHANG Zihao1, CHEN Jinbao1, LI Bo2. Dynamic analysis and optimization for deployment of cable-controlled multi-module solid surface antenna[J]. Journal of Vibration and Shock, 2023, 42(19): 301-308

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